amPen Disk Stylus Replacement Tip (5-Pack) Replacement 5-Pack contains 5 Disk Tip replacements for amPen Disk Stylus Compatible with amPen 2-in-1 Disk Tip Stylus and amPen Retractable Disk Stylus, both sold separately Small, plastic disk on the tip of this cartridge allows for precision and smooth gliding on all touchscreen devices